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European Parliament Agrees Tough Automobile CO2 Targets

Emissions Must Be Cut 27% Over Six Years

BRUSSELS—European lawmakers set the world's toughest carbon emission targets for autos on Tuesday, charging car makers with cutting 27% of their vehicles' carbon-dioxide emissions by 2021.

The new objectives, which were overwhelmingly approved by lawmakers at the European Parliament, would likely force car makers to make large investments in more efficient engines and vehicles to bring down their carbon-dioxide output. It will apply...